SLVA704A June   2015  – October 2026 INA209 , INA219 , INA220 , INA220-Q1 , INA223 , INA226 , INA226-Q1 , INA230 , INA231 , INA3221 , INA3221-Q1 , LM8323 , LM8325-1 , LM8327 , LM8328 , LM8330 , LM8333 , LM8335 , OPT3001 , OPT3001-Q1 , OPT3002 , OPT3004 , OPT3006 , OPT3007 , P82B715 , P82B96 , PCA6107 , PCA9306 , PCA9306-Q1 , PCA9515A , PCA9515B , PCA9518 , PCA9534 , PCA9534A , PCA9535 , PCA9536 , PCA9538 , PCA9539 , PCA9543A , PCA9544A , PCA9545A , PCA9546A , PCA9548A , PCA9554 , PCA9554A , PCA9555 , PCA9557 , PCF8574 , PCF8574A , PCF8575 , PCF8575C , TCA4311A , TCA5405 , TCA6408A , TCA6416A , TCA6418E , TCA6424A , TCA6507 , TCA8418 , TCA8418E , TCA8424 , TCA9406 , TCA9509 , TCA9517 , TCA9517A , TCA9534 , TCA9534A , TCA9535 , TCA9538 , TCA9539 , TCA9539-Q1 , TCA9543A , TCA9544A , TCA9545A , TCA9546A , TCA9548A , TCA9554 , TCA9554A , TCA9555 , TCA9617A , TCA9617B , TCA9800 , TCA9801 , TCA9802 , TCA9803

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Electrical Characteristics
    1. 1.1 Open-Drain for Bidirectional Communication
      1. 1.1.1 Open-Drain Pulling Low
      2. 1.1.2 Open-Drain Releasing Bus
  5. 2I2C Interface
    1. 2.1 General I2C Operation
      1. 2.1.1 START and STOP Conditions
      2. 2.1.2 Repeated START Condition
    2. 2.2 Data Validity and Byte Format
    3. 2.3 Acknowledge (ACK) and Not Acknowledge (NACK)
  6. 3I2C Data
    1. 3.1 Writing to a Target On The I2C Bus
    2. 3.2 Reading From a Target On The I2C Bus
  7. 4Revision History

1 Electrical Characteristics

I2C uses an open-drain/open-collector with an input buffer on the same line, which allows a single data line to be used for bidirectional data flow.